Micro-evaporator

a micro-evaporator and evaporator technology, applied in the field of micro-evaporators, can solve the problems of evaporators that are not compact, low power density, and can cause vapor bursts or vapor bubbles, etc., and achieve the effect of simplifying production, contributing to compact design, and simplifying production of micro-evaporators
US8167030B2Active Publication Date: 2012-05-01IMM INST FUR MIKROTECHNIK GMBH
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Patents(United States)
Current Assignee / Owner
IMM INST FUR MIKROTECHNIK GMBH
Publication Date
2012-05-01

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Abstract

A micro-evaporator is disclosed which is easy to manipulate and can be operated problem-free over a large temperature range. The micro-evaporator has micro-evaporator channels in a trapezoidal region, comprising an inlet region opening in the liquid feed chamber with a small diameter, and an outlet region opening into the vapor collecting chamber with a large diameter.
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Description

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The invention relates to a micro-evaporator according to the preamble of claim 1

[0003] 2. Description of Related Art

[0004] Micro-evaporators are used to evaporate liquid media such as water, alcohols or alcohol / water mixtures, liquid gases or liquid alkanes for further processing. Such micro-evaporators are for example used in the fields of fuel cell engineering.

[0005] Different designs of evaporators are known. So-called plate heat exchangers consist of corrugated steel plates provided with channels for transferring the liquid like filter presses. Resistant rubber seals hold the plates at a distance from each other and seal the channels of the two fluids from each other. Due to the rubber seals, the plate heat exchangers are restricted to a maximum temperature of 250° C. The two fluids flow in a concurrent or a countercurrent flow as thin layers alternating up or down through a series of chambers and contact each other on...

Claims

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